cpgnosy.pptx
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This document summarizes tests for identifying flavonoids. It defines flavonoids as polyphenolic compounds found abundantly in plants. Flavonoids play roles in plant defense, pigmentation of flowers to attract pollinators, and growth control by enzyme inhibition and activation. The document outlines a test using aluminum chloride to identify different classes of flavonoids based on their colored responses under visible and UV light. Flavones fluoresce green, flavonols yellowish to yellowish-green, and flavanones pale-brownish under UV light when reacted with aluminum chloride.
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Pharmacognosy is the study of crude drugs from natural sources including plants, animals, and minerals. It involves a systematic study of the crude drug including its description, biological source, geographical source, morphology, microscopic characteristics, chemical constituents, pharmacological actions, and other details. The subject has played a role in the development of other disciplines like botany, plant chemistry, and pharmaceutical sciences. Crude drugs can be organized, consisting of plant or animal tissues and cells, or unorganized, obtained from extraction processes and described based on physical properties. Unorganized crude drugs include dried juices, dried lattices, dried extracts, and oleo-gum resins. Pharmacognosy provides a link between various medical systems by
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Pharmacognosy deals with biological, biochemical, and economic aspects of natural drugs and their constituents from sources like plants, animals, minerals, and microbes. It plays a crucial role in developing other sciences and forms an important link between pharmacology and medicinal chemistry. Herbal medicine has a long history across many ancient civilizations. Proper collection, drying, packaging, and storage of herbal drugs is important to maintain their quality and prevent degradation. Pharmacognosy classifies drugs in various ways including by their taxonomy, morphology, chemical constituents, and pharmacological effects.
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UNIT 1.1 Herbs as raw materials.pptx
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With increasing population, people need to rely on packaged food stuffs. Packaging of food materials requires the preservation of food. There are various methods for the treatment of food to preserve them and irradiation treatment of food is one of them. It is the most common and the most harmless method for the food preservation as it does not alter the necessary micronutrients of food materials. Although irradiated food doesn’t cause any harm to the human health but still the quality assessment of food is required to provide consumers with necessary information about the food. ESR spectroscopy is the most sophisticated way to investigate the quality of the food and the free radicals induced during the processing of the food. ESR spin trapping technique is useful for the detection of highly unstable radicals in the food. The antioxidant capability of liquid food and beverages in mainly performed by spin trapping technique.
在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样
学校原件一模一样【微信：741003700 】《(salfor毕业证书)索尔福德大学毕业证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
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Immersive Learning That Works: Research Grounding and Paths Forward
We will metaverse into the essence of immersive learning, into its three dimensions and conceptual models. This approach encompasses elements from teaching methodologies to social involvement, through organizational concerns and technologies. Challenging the perception of learning as knowledge transfer, we introduce a 'Uses, Practices & Strategies' model operationalized by the 'Immersive Learning Brain' and ‘Immersion Cube’ frameworks. This approach offers a comprehensive guide through the intricacies of immersive educational experiences and spotlighting research frontiers, along the immersion dimensions of system, narrative, and agency. Our discourse extends to stakeholders beyond the academic sphere, addressing the interests of technologists, instructional designers, and policymakers. We span various contexts, from formal education to organizational transformation to the new horizon of an AI-pervasive society. This keynote aims to unite the iLRN community in a collaborative journey towards a future where immersive learning research and practice coalesce, paving the way for innovative educational research and practice landscapes.
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When I was asked to give a companion lecture in support of ‘The Philosophy of Science’ (https://shorturl.at/4pUXz) I decided not to walk through the detail of the many methodologies in order of use. Instead, I chose to employ a long standing, and ongoing, scientific development as an exemplar. And so, I chose the ever evolving story of Thermodynamics as a scientific investigation at its best.
Conducted over a period of >200 years, Thermodynamics R&D, and application, benefitted from the highest levels of professionalism, collaboration, and technical thoroughness. New layers of application, methodology, and practice were made possible by the progressive advance of technology. In turn, this has seen measurement and modelling accuracy continually improved at a micro and macro level.
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The cost of information acquisition by natural selection
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- 1. -By Sourabh Chauhan Test for identification flavonoids
- 2. Name : SOURABH TARAKESHWAR CHAUHAN Class : S.Y.B Pharm Roll No : 18 Division : A Subject : Physical Pharmaceutics – Ⅱ College : Shree D.D. Vispute College Of Pharmacy And Research Center, Gate No-04, Vichumbe, New Panvel.
- 3. • Definition: Group of polyphenolic compounds which are found in fruits, flowers, seeds & vegetable. They are more common in higher plants being abundant in families, Rutaceae, Leguminosae, Compositae. Flavonoids (named from flavus meaning yellow, nature) are a class of metabolites. Polygonaceae, Umbelliferae & the Latin word their colour in plant secondary
- 4. Physiological role: 1- Role in plant defense mechanism:- They have a very limited role in this respect due to their low toxicity when compared with other plant secondary metabolites such as alkaloids. 2- They are the pigments of flowers and attract pollinating insects. 3- They play a role in plant growth control by inhibiting & activating enzymes.
- 7. Identification A- Test for identification:- The different types of flavonoides can be characterized by their colored response to different tests (visible light ) or colored fluorescence in UV light. l- Reaction with aluminum chloride: The different classes of flavonoids give yellow color with AIC13 but fluoresce differently in UV as shown in the following table . light Flavones Flavonols Flavanones Visible Yellow Yellow Yellow UV Green Yellowish to Yellowish-green Pale-brownish
- 10. Thank You